diff options
| author | dzwdz | 2022-07-14 17:23:50 +0200 |
|---|---|---|
| committer | dzwdz | 2022-07-14 17:23:50 +0200 |
| commit | c5ad54a55123582b09f9d9d8046623916c2dec4a (patch) | |
| tree | 0945ecd0d2fbd454504fa15ee5f5db76b2194785 /src/user/driver | |
| parent | 22a3e004cdf41cb3a48d9087f8bf87e56cc4cbe9 (diff) | |
user/shell/cat: support reading from stdin until eof
Diffstat (limited to 'src/user/driver')
| -rw-r--r-- | src/user/driver/termcook.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/user/driver/termcook.c b/src/user/driver/termcook.c index 6ed8223..56ac77c 100644 --- a/src/user/driver/termcook.c +++ b/src/user/driver/termcook.c @@ -28,8 +28,12 @@ static void line_editor(handle_t input, handle_t output) { } break; case 4: /* EOT, C-d */ - w_output(output, linebuf, linepos); - linepos = 0; + if (linepos > 0) { + w_output(output, linebuf, linepos); + linepos = 0; + } else { + _syscall_write(output, NULL, 0, 0); // eof + } break; case '\n': case '\r': |